package com.nulldev.util.scripting.ScriptAPI.brainfuck;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;

public class BrainfuckFactory implements ScriptEngineFactory {
	static final BrainfuckFactory INSTANCE = new BrainfuckFactory();

	@Override
	public String getEngineName() {
		return "brainfuckse";
	}

	@Override
	public String getEngineVersion() {
		return "1.0";
	}

	@Override
	public List<String> getExtensions() {
		return Arrays.asList("bf", "b");
	}

	@Override
	public List<String> getMimeTypes() {
		return Collections.singletonList("text/*");
	}

	@Override
	public List<String> getNames() {
		return Collections.singletonList("bf");
	}

	@Override
	public String getLanguageName() {
		return "brainfuck";
	}

	@Override
	public String getLanguageVersion() {
		return "1.0";
	}

	@Override
	public Object getParameter(String key) {
		switch (key) {
			case ScriptEngine.ENGINE:
				return getEngineName();
			case ScriptEngine.ENGINE_VERSION:
				return getEngineVersion();
			case ScriptEngine.LANGUAGE:
				return getLanguageName();
			case ScriptEngine.LANGUAGE_VERSION:
				return getLanguageVersion();
			case ScriptEngine.NAME:
				return getNames().get(0);
			case "THREADING":
				return "STATELESS";
			default:
				return null;
		}
	}

	@Override
	public String getMethodCallSyntax(final String obj, final String m, final String... args) {
		return "";
	}

	@Override
	public String getOutputStatement(final String toDisplay) {
		return "";
	}

	@Override
	public String getProgram(final String... statements) {
		return String.join("", statements);
	}

	@Override
	public ScriptEngine getScriptEngine() {
		return new BrainfuckEngine();
	}
}
